1VC0: Crystal Structure Of The Hepatitis Delta Virus Gemonic Ribozyme Precursor, With C75u Mutaion, In Imidazole And Sr2+ Solution
reference: A conformational switch controls hepatitis delta virus ribozyme catalysis., Ke A, Zhou K, Ding F, Cate JH, Doudna JA, Nature 2004 May 13;429(6988):201-5. PMID: 15141216

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